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Mathematics 7 Online
OpenStudy (anonymous):

So what would be the answer to y=5/x-3 when you Identify the excluded value for the rational function.

jimthompson5910 (jim_thompson5910):

You can't divide by zero

jimthompson5910 (jim_thompson5910):

So the denominator x-3 cannot be zero If it were, then x-3 = 0

jimthompson5910 (jim_thompson5910):

Solve that for x to find your excluded value

OpenStudy (anonymous):

3?

jimthompson5910 (jim_thompson5910):

yes

jimthompson5910 (jim_thompson5910):

if x = 3, then x-3 becomes 0

jimthompson5910 (jim_thompson5910):

so we must exclude x = 3 to avoid dividing by zero

OpenStudy (anonymous):

So the answer is 3 to the whole question

OpenStudy (anonymous):

If your equation is \[y = 5/(x-3)\] then the excluded value is 3. If it is\[y=(5/x) -3\] The excluded value is zero

OpenStudy (anonymous):

ok thank you so much!

OpenStudy (anonymous):

Remember your brackets!!! ;)

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